51 



Fragaria canadensis Michx. Member of the plateau-valley and 

 gulf formation. In the slopes of gulfs, ravines and valleys. 

 Associated with Viola ohliqua. May-July. 



Fragaria americana (Porter) Britton. Scattered through woods 

 in the uplands; in clearings and about the hillocks caused 

 by the uprooting of, trees. Very sweet. May-June. 



Rosa lucida L. Very extensive along roads and also along 

 margin of woods. 



Prunus serotina Ehrh. Scattered in valleys and gulfs of the 

 region, especially in ravine of Agnes Creek (see map). 

 Flowering in June; fruiting in August and September. 



Prunus pennsylvanica L. Along stone fences and stone walls 

 on the uplands, also along margin of plateau-meadow forma- 

 tion. Fruiting in July. 



Prunus virginiana L. Very common on uplands and occasionally 

 descending into the gulfs and ravines. Flowering June- 

 July; fruiting in July or August. 



Geranium Rohertianum L. In wooded slopes; solitary and in 

 small groups. July. 



Oxalis Acetosella L. In groups, scattered over the slaty slopes 

 of Amster Brook and its tributaries, together with Oxalis 

 stricta. July. 



Acer Saccharum Marsh. In rich soil of hills, valleys, and moun- 

 tain sides. Very common as member of the plateau-forest 

 and the plateau - valley and -gulf-formation. May- 

 June. 



Acer ruhrum L. Associated with the former. May. 



These seem to be the only species of maple occurring in this 



region, which is characterized, in general, by its vegetative 



monotony. 



Hypericum ellipticum Hook. In small groups as well as in more 

 extensive colonies, in damp and wet places, by waterfall in 

 Amster Brook. July and August. 



Hypericum perforatum L. Slaty slopes and banks, in groups. 

 July. 



Hypericum mutilum L. Alongside roadside in rather silty soil, 

 solitary or sometimes in extensive groups. July. 



